Find the exact value of the expression.cot (-1575°)
A. -1
B. 
C. 1
D. 
Answer: C
Mathematics
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List the numbers from the set that are of the type indicated.{11, 
, -22, 0, 0.42}Irrational numbers
A. 
, 0.42
B. 
C. 
, 0, 0.42
D. 
, -22
Mathematics
Calculate.
× 3.1629
A. 1.43
B. 1.4331
C. 1.4376
D. 1.43
Mathematics
Give two parametric representations for the plane curve.y = 
x + 6
What will be an ideal response?
Mathematics
Solve the problem.The half-life of silicon-32 is 710 years. If 90 grams is present now, how much will be present in 600 years? (Round your answer to three decimal places.)
A. 84.88 B. 0.257 C. 0 D. 50.102
Mathematics